The Yukon ring-and-pinion gear kit with installation hardware fits Toyota 8"/8IFS differentials with factory locker and front cases that accept 3.73 or lower carriers, supplied in a 4.56 gear ratio. This front-and-rear package includes matched gear sets and installation kits to establish correct fitment. Yukon manufactures the supporting small parts—ring gear bolts, crush sleeves, pinion nuts and washers, axle studs and thrust washers—to complete the job.
Yukon Gear Ring & Pinion Gear Kit Package Front & Rear with Install Kits - Toyota 8in/8inIFS